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53471471 = 341315667
BaseRepresentation
bin1100101111111…
…0100011101111
310201121122001212
43023332203233
5102142041341
65150025035
71216333334
oct313764357
9121548055
1053471471
11282019a9
1215aa817b
13b102531
14715c98b
154a635eb
hex32fe8ef

53471471 has 4 divisors (see below), whose sum is σ = 53490552. Its totient is φ = 53452392.

The previous prime is 53471461. The next prime is 53471501. The reversal of 53471471 is 17417435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53471471 - 210 = 53470447 is a prime.

It is a super-3 number, since 3×534714713 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53471461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4421 + ... + 11246.

It is an arithmetic number, because the mean of its divisors is an integer number (13372638).

Almost surely, 253471471 is an apocalyptic number.

53471471 is a deficient number, since it is larger than the sum of its proper divisors (19081).

53471471 is a wasteful number, since it uses less digits than its factorization.

53471471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19080.

The product of its digits is 11760, while the sum is 32.

The square root of 53471471 is about 7312.4189568159. The cubic root of 53471471 is about 376.7391126826.

The spelling of 53471471 in words is "fifty-three million, four hundred seventy-one thousand, four hundred seventy-one".

Divisors: 1 3413 15667 53471471